本文论述了电气化铁路接触网六种绝缘子的人工污秽特性。应用概率统计方法对污秽试验数据进行处理,给出六种绝缘子不同闪络概率下的电压计算公式、回归方程和相应的特性曲线。研究分析结果为确定绝缘子安全污秽耐受水平,用测盐密监视污秽子以控制污闪提供了科学试验依据。 This article discusses the artificial contamination characteristics of the six insulators of the electrified railway catenary. The probabilistic statistics method is used to deal with the contamination test data, and the voltage calculation formulas, regression equations and corresponding characteristic curves of the six insulators under different flashover probabilities are given. The results of research and analysis provide a scientific basis for testing the level of safety and contamination tolerance of insulators.